DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

Register Name:

TR.H1TTSBS, TR.H2TTSBS

Register Description:

HDLC # 1 Transmit Time Slot Bits/Sa Bits Select

Register Address:

HDLC # 2 Transmit Time Slot Bits/Sa Bits Select

9Bh, ABh

Bit #

Name

Default

7

6

5

4

3

2

1

0

TCB8SE

TCB7SE

TCB6SE

TCB5SE

TCB4SE

TCB3SE

TCB2SE

TCB1SE

0

0

0

0

0

0

0

0

Bit 7: Transmit Channel Bit 8 Suppress Enable (TCB1SE). MSB of the channel. Set to 1 to stop this bit from being used.

Bit 6: Transmit Channel Bit 7 Suppress Enable (TCB1SE). Set to 1 to stop this bit from being used.

Bit 5: Transmit Channel Bit 6 Suppress Enable (TCB1SE). Set to 1 to stop this bit from being used.

Bit 4: Transmit Channel Bit 5 Suppress Enable/Sa4 Bit Enable (TCB1SE). Set to 1 to stop this bit from being used.

Bit 3: Transmit Channel Bit 4 Suppress Enable/Sa5 Bit Enable (TCB1SE). Set to 1 to stop this bit from being used.

Bit 2: Transmit Channel Bit 3 Suppress Enable/Sa6 Bit Enable (TCB1SE). Set to 1 to stop this bit from being used.

Bit 1: Transmit Channel Bit 2 Suppress Enable/Sa7 Bit Enable (TCB1SE). Set to 1 to stop this bit from being used.

Bit 0: Transmit Channel Bit 1 Suppress Enable/Sa8 Bit Enable (TCB1SE). LSB of the channel. Set to 1 to stop this bit from being used.

Register Name:

TR.H1RPBA, TR.H2RPBA

Register Description:

HDLC # 1 Receive Packet Bytes Available

Register Address:

HDLC # 2 Receive Packet Bytes Available

9Ch, ACh

Bit #

Name

Default

7

6

5

4

3

2

1

0

MS

RPBA6

RPBA5

RPBA4

RPBA3

RPBA2

RPBA1

RPBA0

0

0

0

0

0

0

0

0

Bit 7: Message Status (MS)

0 = bytes indicated by RPBA0 through RPBA6 are the end of a message. Host must check the INFO5 or INFO6 register for details.

1 = bytes indicated by RPBA0 through RPBA6 are the beginning or continuation of a message. The host does not need to check the INFO5 or INFO6 register.

Bits 0 – 6: Receive FIFO Packet Bytes Available Count (RPBA0 to RPBA6). RPBA0 is the LSB.

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Maxim DS33R11 specifications TR.H1TTSBS, TR.H2TTSBS, TR.H1RPBA, TR.H2RPBA